China Hot selling Factory Direct API 8c Cargo Crane Pulley for Metallurgical Machinery Industry pulley block

Product Description

 

Product Description

Container crane pulley block,
With high bearing capacity, high wear resistance and long service life

Sheave features:

1) Material: Q235B, Q345B, 35#, 45#, 60#, SSW-QR1, S45C

2) Groove surface quench: HRC45-55

3) Groove surface quench depth: 2mm-2.5mm

4) groove MT after heat treatment and welding line UT and MT

5) Max processing diameter: 2, 000mm

6) Short production cycle

It is used for crane equipment, port equipment, oil drilling rig and so on.

Code Wire rope diameter(mm) Main dimension(mm)  D
Groove diameter Outside diameter R Groove Width Shaft diameter Bearing hole width
BX1321 10-14 450 495 7 37 55 70
BX2321 >14-19 560 620 10 50 80 86
BX3321 >19-23.5 710 781 12 60 95 106
BX4321 >23.5-30 900 990 15 73 130 122
BX5321 >23.5-30 1120 1232 19 92 160 142
BX6321 >30-37 1250 1376 22 104 160 142
BX7321 >43-50 1600 1752 26 123 190 182
BX8321 >50-58 1800 1972 29 135 190 182

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Company Profile

Factory introduction

HangZhou CHINAMFG Metallurgy Equipment Manufacturing Co., Ltd. is a high-tech enterprise registered in HangZhou City of ZheJiang Province, which is mainly engaged in the design and manufacture of spare parts for metallurgy equipment, hoisting machinery, oil drilling rigs, and heavy decelerator boxes.

Our company boasts a professional team who is full of vitality, with high efficiency, and industry minded. Our R&D technicians are highly skilled with rich experience, and possess strong design and development capabilities. There are 2 experts in our company who enjoy the state special allowance. We have carried out broad cooperation with renowned factories and design institutes both at home and abroad.

With advanced design, outstanding manufacturing crafts and vigorous management, the whole manufacturing process of our company is conducted by strictly implementing strict quality management system. Our products are widely used by a great number of steel plants in China and exported overseas, where they have received high praise from our customers.

By following the enterprise philosophy of innovation, quality and creating value for the clients, our company is constantly bringing in advanced technologies from home and abroad. We are committed to taking the enhancement of product quality, safety and reliability as our responsibility and striving for providing high quality products and perfect services to the clients.

HangZhou CHINAMFG Metallurgy Equipment Manufacturing Co., Ltd. Warmly welcomes you to be our distinguished clients and friends.

Customer communication

Certifications

Packaging & Shipping

FAQ

Q: What information should I provide if I want to order the products?
1) Product information: Quantity, specification
2) Delivery time required.
3) Shipping information: Company name, address, phone number, destination seaport/air port.
4) Forwarder's contact details if there is any in China.
 
Q: How about your payment terms?
A: 30% -50%deposit, with the balance before delivery, we accept T/T and L/C at sight.
 
Q: Can I use our own logo?
A: Yes, we can produce by using your own logo if you need.
 
Q: How about sample & MOQ policy?
A: Welcome sample order. MOQ can be 1 set.
 
Q: What is your lead time for your goods?
A: Normally 30 days after confirmed order,  

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Application: Double Beam Crane, Gantry Crane, Bridge Crane, Tower Crane, Single Grinder Crane, Lifting Platform, Small Crane
Type: Electric Hoist
Sling Type: Wire Rope
Certification: ISO9001:2000
Condition: New
Color: Yellow
Customization:
Available

|

Customized Request

crane pulley

What are some real-world examples of crane pulley applications in construction and heavy industries?

In construction and heavy industries, crane pulleys are widely utilized for various lifting and material handling tasks. Here are some real-world examples of crane pulley applications in these industries:

  • Building Construction: In the construction industry, crane pulleys are extensively used for lifting heavy building materials and equipment. For example, tower cranes utilize multiple sheave pulleys to hoist steel beams, concrete panels, and other construction materials to great heights. These pulleys provide the necessary mechanical advantage and control to safely transport materials to different levels of a building under construction.
  • Bridge Construction: Crane pulleys play a vital role in bridge construction projects. They are used to lift and position large precast concrete segments during bridge assembly. Multiple sheave pulleys are commonly employed to handle the weight and size of these segments, ensuring precise placement and alignment. Pulleys enable the safe and efficient installation of bridge girders, decks, and other components.
  • Industrial Manufacturing: In heavy industries, crane pulleys are an integral part of material handling processes. They are utilized in manufacturing facilities to lift and move heavy machinery, equipment, and raw materials. For instance, in automotive manufacturing plants, crane pulleys are used for lifting and positioning large engine blocks, chassis frames, and other components during assembly. These pulleys ensure precise and controlled movements, contributing to efficient production processes.
  • Mining Operations: Crane pulleys are extensively employed in mining operations for various tasks. They are used to lift and transport heavy loads such as ore, coal, and equipment. In underground mining, wire rope pulleys are utilized in hoisting systems to raise and lower personnel, machinery, and materials in vertical shafts. Heavy-duty pulleys are employed to handle the demanding conditions and high loads associated with mining operations.
  • Shipbuilding and Offshore Industries: Crane pulleys are crucial in shipbuilding yards and offshore industries. They are used for lifting and positioning large ship components, such as hull sections, propellers, and heavy machinery. Multiple sheave pulleys are often employed in shipyards to handle the significant weight of ship modules during construction. These pulleys enable precise movements and facilitate the assembly of complex maritime structures.
  • Power Plant Construction: Crane pulleys play a significant role in power plant construction projects. They are utilized for lifting and installing heavy power generation equipment, including turbines, generators, and transformers. Pulleys are used in conjunction with cranes to safely maneuver and position these large and delicate components within the power plant structure.

These examples illustrate the diverse range of applications for crane pulleys in construction and heavy industries. Whether it's lifting construction materials, assembling structures, handling heavy machinery, or transporting loads in challenging environments, crane pulleys provide the necessary mechanical advantage, control, and safety measures to accomplish these tasks efficiently and effectively.

crane pulley

What is the significance of proper cable lubrication and tensioning in crane pulley systems?

Proper cable lubrication and tensioning are of significant importance in crane pulley systems. Here's a detailed explanation:

Cable lubrication and tensioning play crucial roles in ensuring the smooth operation, longevity, and safety of crane pulley systems. Here are the key significance of proper cable lubrication and tensioning:

  • Reduced Friction: Proper cable lubrication helps reduce friction between the cable and the sheaves in the pulley system. Friction can cause excessive wear on the cable, leading to premature failure and decreased overall system efficiency. Lubrication creates a thin film on the cable surface, minimizing frictional forces and allowing the cable to move smoothly through the pulley grooves. This reduces wear on the cable and the sheaves, prolonging their lifespan.
  • Prevention of Corrosion: Cable lubrication also helps protect the cable from corrosion. In outdoor or marine environments, cables are exposed to moisture, humidity, and other corrosive elements. Proper lubrication forms a protective barrier around the cable, preventing moisture from penetrating the strands and reducing the risk of corrosion. Corrosion weakens the cable's structural integrity, compromising its load-bearing capacity and posing a safety hazard.
  • Optimized Tension: Proper cable tensioning is essential for the safe and efficient operation of crane pulley systems. The tension in the cable affects the system's ability to lift and move loads effectively. Insufficient tension can result in slippage or inadequate grip on the sheaves, leading to unstable lifting and potential load drops. On the other hand, excessive tension can strain the cable, sheaves, and other components, increasing the risk of failure. Proper tensioning ensures that the cable is securely engaged with the sheaves, providing reliable and controlled load handling.
  • Enhanced Safety: By maintaining proper cable lubrication and tensioning, the overall safety of the crane pulley system is improved. Adequate lubrication reduces the likelihood of cable damage or failure due to excessive wear or corrosion. It minimizes the risk of sudden cable slippage or unexpected cable snaps, which can result in accidents or injuries. Proper tensioning ensures stable and controlled load handling, reducing the chances of load drops or uncontrolled movements that could endanger personnel or property.
  • Extended Component Lifespan: Proper cable lubrication and tensioning contribute to the longevity of the pulley system components. By reducing friction and wear, lubrication helps prolong the lifespan of the cable and the sheaves. It minimizes the need for frequent cable replacements and reduces maintenance costs. Additionally, optimized tensioning prevents excessive stress on the cable and other components, reducing the risk of premature failures and extending the overall lifespan of the pulley system.

In summary, proper cable lubrication and tensioning are significant for crane pulley systems. They reduce friction, prevent corrosion, optimize tension, enhance safety, and extend the lifespan of the components. By implementing regular maintenance practices to ensure proper lubrication and tensioning, crane operators can maximize the reliability, efficiency, and safety of the pulley system, contributing to successful lifting operations.

crane pulley

How does a crane pulley assist in the safe and efficient lifting of heavy loads?

A crane pulley plays a crucial role in ensuring the safe and efficient lifting of heavy loads. Here's a detailed explanation of how a crane pulley assists in achieving these objectives:

Mechanical Advantage:

A crane pulley provides a mechanical advantage that allows operators to lift heavy loads with less effort. By utilizing the principle of leverage, a pulley system multiplies the force applied to the lifting cable or rope. As the rope passes through the grooved rim of the pulley, it changes the direction of the force and distributes the load across multiple strands. This mechanical advantage reduces the amount of force required by the operator to lift the load, making the lifting process more manageable and efficient.

Load Distribution:

A crane pulley assists in distributing the weight of the load evenly across the lifting cable or rope. The grooved rim of the pulley ensures that the cable or rope sits securely in place, preventing slippage during lifting operations. This even distribution of the load helps to maintain stability and balance, minimizing the risk of accidents or imbalances that could cause the load to shift or fall.

Controlled Movement:

Crane pulleys enable controlled movement of heavy loads during lifting operations. The pulley system allows operators to adjust the speed and direction of the lifting process by manipulating the tension in the lifting cable or rope. This control is crucial for precise positioning of the load, especially in scenarios where the load needs to be placed accurately or maneuvered through tight spaces. The ability to control the movement of the load enhances safety and prevents damage to the load or surrounding structures.

Reduction of Strain and Fatigue:

By utilizing a crane pulley, the strain and fatigue on the operator are significantly reduced. The mechanical advantage provided by the pulley system lessens the physical effort required to lift heavy loads. This reduction in strain and fatigue not only improves operator comfort but also enhances their ability to focus on the lifting operation, reducing the risk of human error and increasing overall safety.

Load Capacity and Safety Factors:

Crane pulleys are designed to handle specific load capacities and incorporate safety factors to ensure safe lifting operations. The load capacity of a crane pulley is determined by factors such as its size, material strength, and construction. Safety factors are applied to account for unexpected load variations or dynamic forces that may occur during lifting operations. By adhering to load capacity and safety standards, crane pulleys provide a reliable and secure lifting mechanism for heavy loads.

Integration with Crane Systems:

Crane pulleys are often integrated into larger crane systems, such as overhead cranes or mobile cranes. These systems provide additional features and controls to enhance the safe and efficient lifting of heavy loads. The integration allows for precise positioning, smooth movement, and coordinated operations, ensuring optimal performance and safety during lifting operations.

In summary, a crane pulley assists in the safe and efficient lifting of heavy loads by providing a mechanical advantage, distributing the load evenly, enabling controlled movement, reducing strain and fatigue on operators, adhering to load capacity and safety factors, and integrating with crane systems. These features and functionalities contribute to smoother and safer lifting operations, minimizing the risk of accidents, improving productivity, and optimizing the overall efficiency of heavy load handling.

China Hot selling Factory Direct API 8c Cargo Crane Pulley for Metallurgical Machinery Industry   pulley block	China Hot selling Factory Direct API 8c Cargo Crane Pulley for Metallurgical Machinery Industry   pulley block
editor by CX

2024-05-17

Crane pulley

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